Synonyms: 1,8-dimethylpentacyclo[6.6.6.02,7.09,14.015,20]icosa-2,4,6,9,11,13,15,17,19-nonaene(non-preferred name);NSC122710;AC1L5IAF;AC1Q1HNP;KST-1B0638;AR-1B8455;AKOS004901815;NSC-122710;1,8-dimethylpentacyclo[6.6.6.02,7.09,14.015,20]icosa-2,4,6,9,11,13,15,17,19-nonaene (non-preferred name)